20" x 10" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 19.75 X 9.75] 3-Pack Condensate Pump Design – Circular air supply

Design – Circular air supply valves - designed to be used in low and medium pressure ventilation air conditioning systems

+ Product Details Size – 18"w X 8"h is the size for the duct opening measurement only

These are built heavy duty for installation into brick and cement walls

+ Product Details Size – 14"w X 34"h is the size for the duct opening measurement only

Actual Filter Size – 7 3/4"w x 25 3/4" x 1"

20" x 10" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 19.75 X 9.75] 3-Pack Condensate Pump Design – Circular air supply+ Product Details Size 20"w X 10"h pleated MERV 8 filter for HVAC return filter grille 3 Pack. Actual dimensions: 19. 75" X 9. 75" High Quality A uniquie combination of cotton & synthetic fibers gives you the most filtration and the least air resistance equals great air & easy airflow for your system Design The "W" shaped pleats give you more filter surface thereby capturing more dust. Our metal and paper diagonal support bars ensure the filter can